Internet sales (except for the sale of goods requiring licenses); Retail of auto parts; Retail of hardware products; Retail of handicrafts and collectibles (except ivory and its products); Wholesale of clothing and accessories; Retail of clothing and accessories; Sales of baby and mother products; Sales of electronic products; Sales of mining machinery; Sales of daily necessities; Wholesale of stationery products; Retail of stationery products; Wholesale of shoes and hats; Retail of shoes and hats; Retail of sports equipment and; Wholesale of sports equipment; Sales of first-class medical devices; Sales of non-medical masks; Technical services, technology development, technical consultation, technical exchange, technology transfer, technology promotion; Goods import and export; Technology import and export; Import and export agency; Sales of metal products; Sales of household appliances; Wholesale of medical staff protection supplies; Wholesale of medical masks; Sales of labor protection products; Sales of household goods; Sales of plastic products; Sales of molds; Sales of mechanical equipment; Operation of wires and cables; Sales of batteries; Domestic trade agency; Sales of non-metallic minerals and products; Sales of metal ores; Sales of building materials; Sales of textile products and raw materials; Sales of chemical products (excluding licensed chemical products); Wholesale of hardware products; Wholesale of auto parts; Wholesale of edible agricultural products; Management of enterprises; Conference and exhibition services; Information consulting services (excluding licensed information consulting services); Sales of lubricants; Sales of furniture; Sales of petroleum products (excluding dangerous chemicals); Sales of casting machinery; Sales of metal cutting machines; Integration of intelligent control systems; Sales of mechanical parts and components; Sales of metal materials; Sales of rubber products; Sales of tires; Packaging services; General mechanical equipment installation services; Import and export of food; Sales of intelligent unmanned aircraft; Sales of health care products (non-food products) (except for projects that require approval, carry out business activities in accordance with the business license)